“柠檬问题”指的是当卖家比买家掌握更多信息时,评估产品质量的困难。
"The writer's duty is to disturb the peace, to question the unquestionable, and to reveal the hidden."
救灾建筑必须足够简单,让灾民能够自己建造。
Technology has no borders, but companies have responsibilities.